             [])))
 
 (defn read-changes
+    "Read all changes sorted by date and time the change has been made."
     []
     (try
         (jdbc/query db-spec/zg-db

            [])))

(defn read-changes-for-user
    [user-name]
    (try
        (jdbc/query db-spec/zg-db

    (read-words-with-status :undeleted dictionary-type))

(defn read-changes-statistic
    "Read basic statistic about changes made by all users. For each user, number of changes is displayed."
    []
    (try
        (jdbc/query db-spec/zg-db
